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Rare Butterfly Booms 922% After Reintroduction
11 Nov
Summary
- Wood White butterfly population surged by 922% in Fineshade Wood.
- 746 Wood Whites recorded, up from 73 in 2025.
- Reintroduction efforts funded by Natural England's Species Recovery Programme.
The Wood White butterfly population has seen an astonishing 922% increase in Fineshade Wood, a woodland in Northamptonshire. This flourishing population now numbers 746 individuals, a substantial jump from the 73 recorded in 2025. The resurgence is a direct result of a reintroduction program initiated in 2024, where twenty adult Wood Whites were released into the Forestry England site.
Conservationists believe that warm weather this spring may have accelerated larval growth, contributing to the population boom. This rare butterfly, classified as endangered in Great Britain, historically suffered a 76% decline in distribution since 1992. The success at Fineshade Wood, supported by Natural England's Species Recovery Programme, offers hope for the species' future.
The reintroduction project was made possible through a collaborative effort involving habitat restoration, scientific research, and dedicated volunteer hours. The charity hopes that Fineshade Wood will become a central hub, enabling the Wood White to spread to surrounding areas. This initiative underscores the positive impact of conservation efforts on vulnerable species.
